Drinking straw



FIG. 1 is a top, front, right perspective view of a drinking straw, showing our new design in a first configuration for use;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a left side elevation view of the drinking straw of FIG. 1, shown in a second configuration for use; and,

FIG. 9 is a left side elevation view of the drinking straw of FIG. 1, shown in a third configuration for use.

The equal length broken lines depict portions of a drinking straw that form no part of the claimed design. The dash-dot-dash broken lines define the boundaries of the claimed design. All broken lines form no part of the claimed design. 

CLAIM The ornamental design for a drinking straw, as shown and described. 